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Threading additional 3d transform 

Transforming solid areas to polygons can be time-intensive for some
boards.  This threads the transformation to all simultaneous builds in
different layers
This commit is contained in:
Seth Hillbrand 2021-07-20 13:20:34 -07:00
parent 7869ac7e67
commit 3e815882c1
1 changed files with 21 additions and 22 deletions
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43
3d-viewer/3d_canvas/create_layer_items.cpp
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@ -686,19 +686,24 @@ void BOARD_ADAPTER::createLayers( REPORTER* aStatusReporter )
if( aStatusReporter )
aStatusReporter->Report( _( "Create zones" ) );
std::vector<std::pair<const ZONE*, PCB_LAYER_ID>> zones;
std::vector<std::pair<ZONE*, PCB_LAYER_ID>> zones;
std::unordered_map<PCB_LAYER_ID, std::unique_ptr<std::mutex>> layer_lock;
for( ZONE* zone : m_board->Zones() )
{
for( PCB_LAYER_ID layer : zone->GetLayerSet().Seq() )
{
zones.emplace_back( std::make_pair( zone, layer ) );
layer_lock.emplace( layer, std::make_unique<std::mutex>() );
}
}
// Add zones objects
std::atomic<size_t> nextZone( 0 );
std::atomic<size_t> threadsFinished( 0 );
size_t parallelThreadCount = std::max<size_t>( std::thread::hardware_concurrency(), 2 );
size_t parallelThreadCount = std::min<size_t>( zones.size(),
std::max<size_t>( std::thread::hardware_concurrency(), 2 ) );
for( size_t ii = 0; ii < parallelThreadCount; ++ii )
{
@ -708,7 +713,7 @@ void BOARD_ADAPTER::createLayers( REPORTER* aStatusReporter )
areaId < zones.size();
areaId = nextZone.fetch_add( 1 ) )
{
const ZONE* zone = zones[areaId].first;
ZONE* zone = zones[areaId].first;
if( zone == nullptr )
break;
@ -716,9 +721,22 @@ void BOARD_ADAPTER::createLayers( REPORTER* aStatusReporter )
PCB_LAYER_ID layer = zones[areaId].second;
auto layerContainer = m_layerMap.find( layer );
auto layerPolyContainer = m_layers_poly.find( layer );
if( layerContainer != m_layerMap.end() )
{
addSolidAreasShapes( zone, layerContainer->second, layer );
}
if( GetFlag( FL_RENDER_OPENGL_COPPER_THICKNESS )
&& ( m_renderEngine == RENDER_ENGINE::OPENGL_LEGACY )
&& layerPolyContainer != m_layers_poly.end() )
{
auto mut_it = layer_lock.find( layer );
std::lock_guard< std::mutex > lock( *( mut_it->second ) );
zone->TransformSolidAreasShapesToPolygon( layer, *layerPolyContainer->second );
}
}
threadsFinished++;
@ -732,25 +750,6 @@ void BOARD_ADAPTER::createLayers( REPORTER* aStatusReporter )
}
if( GetFlag( FL_ZONE ) && GetFlag( FL_RENDER_OPENGL_COPPER_THICKNESS )
&& ( m_renderEngine == RENDER_ENGINE::OPENGL_LEGACY ) )
{
// Add copper zones
for( ZONE* zone : m_board->Zones() )
{
if( zone == nullptr )
break;
for( PCB_LAYER_ID layer : zone->GetLayerSet().Seq() )
{
auto layerContainer = m_layers_poly.find( layer );
if( layerContainer != m_layers_poly.end() )
zone->TransformSolidAreasShapesToPolygon( layer, *layerContainer->second );
}
}
}
// Simplify layer polygons
if( aStatusReporter )